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Finding the Fourth Proportional to 176,677.14, 265,100.73 and 87,938.40

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Solution

The fourth proportional to 176,677.14, 265,100.73 and 87,938.40 is: 131,949.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,677.14 : 265,100.73 = 87,938.40 : x
  2. Step 2: Convert to fraction form
    176,677.14/265,100.73 = 87,938.40/x
  3. Step 3: Cross multiply
    176,677.14x = 265,100.73 × 87,938.40
  4. Step 4: Simplify right side
    176,677.14x = 23,312,534,035.03
  5. Step 5: Solve for x
    x = 23,312,534,035.03/176,677.14
  6. Step 6: Final answer
    x = 131,949.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.